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| Phone | Samsung SCH-U620 | Sony Ericsson K550 / W610 | Casio G'zOne Ravine | Samsung Freeform 4 / Comment 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.2" diag. 4 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,000 mAh | ? | 1,140 mAh | 1,000 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 2 megapixel | 3 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | ? | QCIF (176 x 144) |
| Front Camera | - | - | - | - |
| Weight |
3.74 oz (106g) |
3 oz (85g) |
4.6 oz (130g) |
3.35 oz (95g) |
| Dimensions |
3.78" x 1.85" x 0.87" (96 x 47 x 22.1 mm) |
4" x 1.8" x 0.5" (102 x 46 x 12.7 mm) |
4.3" x 2.1" x 0.9" (109 x 53 x 22.9 mm) |
4.38" x 2.38" x 0.42" (111 x 60 x 10.7 mm) |
| Form Factor | Slide | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | EVDO r0 | EDGE | EVDO rA | 1xRTT |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | - | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | Yes | Yes |
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - |
| USB | Yes | Yes | Yes |
Yes Micro-USB |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes | Yes |
| Voice Dialing | Yes | Yes | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | - | Yes | Yes | Yes |
| Data & Network | ||||
| Data Tethering | - | Yes | Yes | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | Yes | - |
| EMS / Picture Messaging | - | Yes | Yes | - |
| Instant Messaging | Yes | - | Yes | - |
| MMS | Yes | Yes | Yes | Yes |
| Text Messaging Templates | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | Yes | Yes | Yes |
| Stereo Speakers | Yes | - | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | - | Yes | - | - |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| BREW | Yes | - | Yes | Yes |
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | - | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SCH-U620 | Sony Ericsson K550 / W610 | Casio G'zOne Ravine | Samsung Freeform 4 / Comment 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-U620 | Sony Ericsson K550 / W610 | Casio G'zOne Ravine | Samsung Freeform 4 / Comment 2 |
